according to israel, this is a house belonging to a senior official of hamas, but at the same time there were 12 people inside of that house, including four women and four children. all of them killed. so many people are condemning that attack. meanwhile, it is nighttime here and the people of gaza are bracing themselves for what could be another night of deadly attacks despite the diplomatic activity in cairo. negotiations are under way as well as palestinian factions as to what to do next, but those here in gaza say they are preparing for a ground invasion, and meaning if israel launches a war, they will fight and they are prepared to defend their territory as they say and on the same side israelis say they have finalized preparation for a ground invasion and now it is a matter of a political decision, and certainly something that everybody in cairo is trying to avert, but one that everybody here thinks it is not going to be averted any time soon. thomas? >> well, you talk about the diplomatic conversations in cairo, and what is on the table? what terms are being discussed? >> well, tw